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System Level And Reactor Level Simulations Of Chemical Looping Combustion And Chemical Looping With Oxygen Uncoupling
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Book Synopsis System Level and Reactor Level Simulations of Chemical Looping Combustion and Chemical Looping with Oxygen Uncoupling by : Xiao Zhang
Download or read book System Level and Reactor Level Simulations of Chemical Looping Combustion and Chemical Looping with Oxygen Uncoupling written by Xiao Zhang and published by . This book was released on 2015 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Chemical Looping Technology by : Ronald W. Breault
Download or read book Handbook of Chemical Looping Technology written by Ronald W. Breault and published by John Wiley & Sons. This book was released on 2019-01-22 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive and up-to-date handbook on this highly topical field, covering everything from new process concepts to commercial applications. Describing novel developments as well as established methods, the authors start with the evaluation of different oxygen carriers and subsequently illuminate various technological concepts for the energy conversion process. They then go on to discuss the potential for commercial applications in gaseous, coal, and fuel combustion processes in industry. The result is an invaluable source for every scientist in the field, from inorganic chemists in academia to chemical engineers in industry.
Book Synopsis Dynamic Simulation of the Chemical Looping Combustion Process by : Johannes Haus
Download or read book Dynamic Simulation of the Chemical Looping Combustion Process written by Johannes Haus and published by Cuvillier Verlag. This book was released on 2020-12-09 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this Ph.D. thesis a system of coupled fluidized bed reactors is modelled and simulated dynamically. Chemical Looping Combustion was used as an exemplary process in both the numerical and the experimental part of this work. For the simulation purpose a novel flowsheeting software was used and models for the needed process units developed and integrated into this software. The needed unit models were three interconnected fluidized bed reactors in circulating and bubbling operation conditions, a cyclone for gas-solid separation and loop seals, which ensured solids transport and gas separation between the reactors. Additionally, lab scale experiments on the reactivity of the used solids, oxygen carrier and solid fuels, were conducted and kinetic parameters extracted. All unit models were connected to a process flowsheet and simulated dynamically. The simulation results were compared to experimental data from a 25 kWth pilot plant operated at the university by the author. It could be shown that a detailed and dynamic simulation of the whole process can be carried out over a time period of more than 45 minutes and the experimental results from start-up, steady state operation and shutdown of the plant were predicted accurately.
Book Synopsis Chemical looping combustion for 100% carbon capture by : Philipp Kolbitsch
Download or read book Chemical looping combustion for 100% carbon capture written by Philipp Kolbitsch and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2009 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical looping combustion (CLC) is a novel technology with inherent separation of CO2. It is a two-step combustion process in which air and fuel are not mixed during combustion. The reactor system consists of two separate reactors, an air reactor and a fuel reactor. An oxygen carrier circulates between these two reactors and transports the necessary oxygen for combustion. A new reactor concept called the dual circulating fluidized bed (DCFB) reactor system is proposed for chemical looping processes. This concept features high solids circulation as well as optimized gas-solids contact and is highly suitable for chemical looping combustion and reforming. In this report, the main set-up of this concept is presented and the governing equations for the design of chemical looping combustors are discussed with the example of the 120kW CLC pilot rig at Vienna University of Technology. Additionally, first operating results using ilmenite, a natural mineral with the chemical formula FeTiO3, and a Ni-based oxygen carrier are reported.
Book Synopsis Process Modeling Aspects of Chemical-looping with Oxygen Uncoupling and Chemical-looping Combustion for Solid Fuels by : Asad Hasan Sahir
Download or read book Process Modeling Aspects of Chemical-looping with Oxygen Uncoupling and Chemical-looping Combustion for Solid Fuels written by Asad Hasan Sahir and published by . This book was released on 2013 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Simulation, Optimization, and Control of Flexible Chemical-looping Combustion Processes by : Lu Han
Download or read book Dynamic Simulation, Optimization, and Control of Flexible Chemical-looping Combustion Processes written by Lu Han and published by . This book was released on 2016 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Novel Combustion Concepts for Sustainable Energy Development by : Avinash K Agarwal
Download or read book Novel Combustion Concepts for Sustainable Energy Development written by Avinash K Agarwal and published by Springer. This book was released on 2014-12-19 with total page 561 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises research studies of novel work on combustion for sustainable energy development. It offers an insight into a few viable novel technologies for improved, efficient and sustainable utilization of combustion-based energy production using both fossil and bio fuels. Special emphasis is placed on micro-scale combustion systems that offer new challenges and opportunities. The book is divided into five sections, with chapters from 3-4 leading experts forming the core of each section. The book should prove useful to a variety of readers, including students, researchers, and professionals.
Book Synopsis Modeling and Improving Oxygen Carrier Performance in Chemical Looping Combustion Systems by : Johannes George Van der Watt
Download or read book Modeling and Improving Oxygen Carrier Performance in Chemical Looping Combustion Systems written by Johannes George Van der Watt and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Carbon Capture and Storage by : Mai Bui
Download or read book Carbon Capture and Storage written by Mai Bui and published by Royal Society of Chemistry. This book was released on 2019-11-29 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will provide the latest global perspective on the role and value of carbon capture and storage (CCS) in delivering temperature targets and reducing the impact of global warming. As well as providing a comprehensive, up-to-date overview of the major sources of carbon dioxide emission and negative emissions technologies, the book also discusses technical, economic and political issues associated with CCS along with strategies to enable commercialisation.
Book Synopsis Chemical Looping Combustion in Interconnected Fluidized Bed Reactors - Simulation and Experimental Validation by : Marvin Kramp
Download or read book Chemical Looping Combustion in Interconnected Fluidized Bed Reactors - Simulation and Experimental Validation written by Marvin Kramp and published by . This book was released on 2014 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fluidized Bed Technologies for Near-Zero Emission Combustion and Gasification by : Fabrizio Scala
Download or read book Fluidized Bed Technologies for Near-Zero Emission Combustion and Gasification written by Fabrizio Scala and published by Elsevier. This book was released on 2013-09-30 with total page 1091 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluidized bed (FB) combustion and gasification are advanced techniques for fuel flexible, high efficiency and low emission conversion. Fuels are combusted or gasified as a fluidized bed suspended by jets with sorbents that remove harmful emissions such as SOx. CO2 capture can also be incorporated. Fluidized bed technologies for near-zero emission combustion and gasification provides an overview of established FB technologies while also detailing recent developments in the field. Part one, an introductory section, reviews fluidization science and FB technologies and includes chapters on particle characterization and behaviour, properties of stationary and circulating fluidized beds, heat and mass transfer and attrition in FB combustion and gasification systems. Part two expands on this introduction to explore the fundamentals of FB combustion and gasification including the conversion of solid, liquid and gaseous fuels, pollutant emission and reactor design and scale up. Part three highlights recent advances in a variety of FB combustion and gasification technologies before part four moves on to focus on emerging CO2 capture technologies. Finally, part five explores other applications of FB technology including (FB) petroleum refining and chemical production. Fluidized bed technologies for near-zero emission combustion and gasification is a technical resource for power plant operators, industrial engineers working with fluidized bed combustion and gasification systems and researchers, scientists and academics in the field. Examines the fundamentals of fluidized bed (FB) technologies, including the conversion of solid, liquid and gaseous fuels Explores recent advances in a variety of technologies such as pressurized FB combustion, and the measurement, monitoring and control of FB combustion and gasification Discusses emerging technologies and examines applications of FB in other processes
Book Synopsis Fluidized-bed Reactor Systems for Chemical-looping Combustion with Inherent Separation of CO2 by : Eva Johansson
Download or read book Fluidized-bed Reactor Systems for Chemical-looping Combustion with Inherent Separation of CO2 written by Eva Johansson and published by . This book was released on 2005 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NETL - Chemical Looping Reactor by :
Download or read book NETL - Chemical Looping Reactor written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: NETL's Chemical Looping Reactor unit is a high-temperature integrated CLC process with extensive instrumentation to improve computational simulations. A non-reacting test unit is also used to study solids flow at ambient temperature. The CLR unit circulates approximately 1,000 pounds per hour at temperatures around 1,800 degrees Fahrenheit.
Book Synopsis Biomass Valorization to Bioenergy by : R. Praveen Kumar
Download or read book Biomass Valorization to Bioenergy written by R. Praveen Kumar and published by . This book was released on 2020 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers topics related to bioenergy production from various biomass sources, including agricultural residues and waste biomass from both domestic and industrial use. It includes useful data, illustrations, and case studies of bioenergy production facilities. The contents of this book will be of interest to readers looking to scale up production and evaluate the selection and optimization of resources in order to overcome the current limitations of biomass to bioenergy conversions. The book will be of interest to researchers and industry professional alike.
Book Synopsis Dynamic Optimization Applied for Modelling and Optimal Control of a Packed Bed Reactor for Chemical-looping Combustion by : Marco Antonio Lucio Hernandez
Download or read book Dynamic Optimization Applied for Modelling and Optimal Control of a Packed Bed Reactor for Chemical-looping Combustion written by Marco Antonio Lucio Hernandez and published by . This book was released on 2019 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical-looping combustion (CLC) has recently emerged as a promising technology capable of curbing CO2 emissions while also reducing the energy penalty entailed in carbon capture and sequestration (CCS). The novelty of CLC resides in its use of a metal oxide as an intermediate that serves the purpose of avoiding direct contact between fuel and air. The CLC process can be carried out in a packed bed reactor, in which the metal oxide supported in an inert material is intermittently exposed to both air and fuel streams. The oxidation stage produces a high temperature air stream that is used to feed a gas turbine and the reduction stage produces a highly concentrated CO2 stream suitable for sequestration. The transient operation of the system is complex and temperature fluctuations and unconverted fuel at the reactor's exit is expected during the oxidation and reduction stages. To the author's knowledge, a study that specifies optimal control strategies focused on increasing the efficiency of every stage in the CLC PBR cycle is in critical need to advance this emerging technology. The aim of this study is to adapt an existing 1-D mechanistic heterogeneous dynamic model, which considers mass and heat transport resistances in the particle (metal oxide and support) and the bulk fluid phases. The non-linear model is subject to validation against published data and a sensitivity analysis on key parameters during both reaction stages. Later, each reaction-stage simulation is formulated as an optimal control dynamic optimization problem that is solved using the direct transcription approach. The optimization results show improvements in the heat recovery process during the oxidation stage and a considerable reduction in fuel slip during the reduction stage, effectively producing more CO2. Moreover, based on the outcome of the sensitivity analysis, an optimistic and a worst-case scenario are considered. The dynamic optimization of the optimistic case shows even greater improvements in energy production during the oxidation stage and the results from the worst-case shows that a 97% rate of fuel conversion can be achieved within the reactor.
Book Synopsis Air Pollution and Greenhouse Gases by : Zhongchao Tan
Download or read book Air Pollution and Greenhouse Gases written by Zhongchao Tan and published by Springer. This book was released on 2014-11-03 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook discusses engineering principles relating to air pollution and greenhouse gases (GHGs); it focuses on engineering principles and designs of related devices and equipment for air emission control for a variety of industries such as energy, chemical, and transportation industries. The book aims primarily at senior undergraduate and graduate students in mechanical, chemical and/or environmental engineering departments; it can also be used as a reference book by technical staff and design engineers who are interested in and need to have technical knowledge in air pollution and GHGs. The book is motivated by recent rapid advances in air pollution and greenhouse gas emissions and their control technologies. In addition to classic topics related to air pollution, this book is also featured with emerging topics related to air pollution and GHGs. It covers recent advances in engineering approaches to the reduction of GHG emissions including, but are not limited to, green energy technologies and carbon sequestration and storage. It also introduces an emerging topic in air pollution, which is referred to as Nano Air Pollution. It is a growing concern in air pollution, but largely missing in similar books, likely because of recent rapid advances in nanotechnology has outpaced the advances in nano air pollution control.
Book Synopsis Chemical Looping Systems for Fossil Energy Conversions by : Liang-Shih Fan
Download or read book Chemical Looping Systems for Fossil Energy Conversions written by Liang-Shih Fan and published by John Wiley & Sons. This book was released on 2011-02-14 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the current carbonaceous fuel conversion technologies based on chemical looping concepts in the context of traditional or conventional technologies. The key features of the chemical looping processes, their ability to generate a sequestration-ready CO2 stream, are thoroughly discussed. Chapter 2 is devoted entirely to the performance of particles in chemical looping technology and covers the subjects of solid particle design, synthesis, properties, and reactive characteristics. The looping processes can be applied for combustion and/or gasification of carbon-based material such as coal, natural gas, petroleum coke, and biomass directly or indirectly for steam, syngas, hydrogen, chemicals, electricity, and liquid fuels production. Details of the energy conversion efficiency and the economics of these looping processes for combustion and gasification applications in contrast to those of the conventional processes are given in Chapters 3, 4, and 5.Finally, Chapter 6 presents additional chemical looping applications that are potentially beneficial, including those for H2 storage and onboard H2 production, CO2 capture in combustion flue gas, power generation using fuel cell, steam-methane reforming, tar sand digestion, and chemicals and liquid fuel production. A CD is appended to this book that contains the chemical looping simulation files and the simulation results based on the ASPEN Plus software for such reactors as gasifier, reducer, oxidizer and combustor, and for such processes as conventional gasification processes, Syngas Chemical Looping Process, Calcium Looping Process, and Carbonation-Calcination Reaction (CCR) Process. Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.
